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Research and Application of Gyro-Station Orientation Survey at Yuzhu-Dashadi Section in Guangzhou Subway
Author(s): 
Pages: 8-11,43
Year: Issue:  1
Journal: RAILWAY INVESTIGATION AND SURVEYING

Keyword:  陀螺定向地下导线贯通误差仿真计算;
Abstract: 介绍广州地铁鱼大盾构区间地下导线测量与贯通误差测量结果,证实利用陀螺方位进行地下导线定向,提高了地下导线的可靠性,显著降低了贯通误差.进一步对测量数据进行研究分析与仿真计算,得出为使贯通误差最小,直伸导线加测陀螺方位边的最佳位置是在导线的2/3处左右.曲边导线则在4/5处左右的结果.
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